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1st Semester Exam
Science 7 Exam
| Term | Definition |
|---|---|
| System | An organized group of related objects or components |
| Sub-System | A self-contained system within a larger system |
| System Boundary | Identifying precisely which components are within your system versus which are part of the outside environment |
| Parts or components | All the pieces needed to explain the phenomenon, problem, or process |
| Inputs | The parts that enter the system from outside |
| Outputs | The parts that leave the system |
| Relationships | Shows how the parts work together to convert inputs into outputs |
| Thermal Energy | Energy of moving particles (heat) |
| Mechanical Energy | Energy of objects in motion |
| Electrical Energy | Energy of particles moving through a wire |
| Sound Energy | Energy that gives off sound waves |
| Light Energy | Energy that gives off light waves |
| Chemical Energy | Energy that is stored in fuel, food |
| Elastic Energy | Energy that is stored in objects that are stretched |
| Gravitational Energy | Energy stored in an object when it is above the Earth’s surface |
| Reservoir | The natural and man-made places where water is found |
| Water system | A series of reservoirs that are connected through the movement of water |
| Precipitation | Water that falls to the ground in the form of rain, snow, sleet, etc. |
| Surface water | Water located on the surface of the earth such as lakes and streams. |
| Runoff | Water that drains over the surface of the earth after falling as precipitation |
| Infiltration | When water drains down into the ground/soil |
| Groundwater | Water held underground in the soil or in pores and crevices in rock |
| Groundwater movement | The movement of groundwater, which occurs very slowly |
| Elevation | Height above or below a given location |
| Watershed | An area of higher elevation land that dictates where surface water and groundwater drain |
| Energy driver | The source of energy that causes water to move (for example gravity) |
| Evaporation | The process that causes a liquid to turn into a gas |
| Transpiration | The process that causes a liquid in plants to be released as a gas |
| Molecule | A group of atoms held together by a bond |
| State of Matter | Forms that matter can take on including solid, liquid, and gas |
| Relative Spacing | How close together or far apart molecules/atoms are |
| Kinetic Energy | Energy in motion |
| Potential Energy | Stored energy |
| Dissipated Energy | Energy that is given off by a system |
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jstanulis.ems
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